1 /* 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef RTC_BASE_CPU_TIME_H_ 12 #define RTC_BASE_CPU_TIME_H_ 13 14 #include <stdint.h> 15 16 namespace rtc { 17 18 // Returns total CPU time of a current process in nanoseconds. 19 // Time base is unknown, therefore use only to calculate deltas. 20 int64_t GetProcessCpuTimeNanos(); 21 22 // Returns total CPU time of a current thread in nanoseconds. 23 // Time base is unknown, therefore use only to calculate deltas. 24 int64_t GetThreadCpuTimeNanos(); 25 26 } // namespace rtc 27 28 #endif // RTC_BASE_CPU_TIME_H_ 29